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frequently asked questions





Welcome to the "GMOs (Genetically Modified Organisms)" Frequently Asked Questions (FAQ) area. You can find answers to the most frequently asked questions about GMOs in "FAQs." These questions and answers are written from the author's perspective as a crop production specialist. It is meant to better inform on the various issues regarding the use of GMOs at present, with acknowledgment that these issues might well change considerably over the next months. There is some repetition among answers to different questions, designed to help readers focus in on particular questions of interest. Mention of registered trademarks and products does not constitute an endorsement by the author or the University of Illinois.

Emerson D. Nafziger
Professor of Crop Production Extension
Department of Crop Sciences
University of Illinois

N-315 Turner Hall
1102 S. Goodwin
Urbana, IL 61801
Email: ednaf@uiuc.edu

Employment

  • August, 1993 to present: Professor of Crop Sciences, University of Illinois
  • August, 1986 to August, 1993: Associate Professor of Agronomy, University of Illinois
  • February, 1982 to August, 1986: Assistant Professor of Agronomy, University of Illinois.
  • June 1975 to June 1979: Volunteer with the Mennonite Central Committee (Akron, PA) in agricultural development project in Bangladesh.

Education

  • B.S. in Agronomy, The Ohio State University, 1973
  • M.S. in Agronomy (Crop Physiology), Purdue University, 1975
  • Ph.D. in Agronomy (Weed Science), University of Illinois, 1982

Honors and Awards

  • Purdue University Fellow, 1973-75
  • University of Illinois Fellow, 1979-82
  • Illinois Fertilizer and Chemical Association Lang-Aldrich Award for Outstanding Student, 1981
  • CIBA-Geigy Award for Excellence, American Society of Agronomy, 1988
  • Young Faculty Award for Excellence in Extension, Univ. of Illinois College of Agriculture, 1990
  • Fellow, American Society of Agronomy, 1996
  • Fellow, Crop Science Society of America, 1998

Memberships in/services to Professional Soceities and External Groups:

  • American Society of Agronomy
  • Associate Editor of Agronomy Journal, 1995
  • Crop Science Society of America
  • Associate Editor of Crop Science, 1986-90
  • Weed Science Society of America
  • Reviewer, C-FAR, 1997

Selected Professional Publications (1996-1998):

Refereed:

Bullock, D.G., D.S. Bullock, E.D. Nafziger, T. Doerge, S. Paszkiewicz, P. Carter, and T.A. Peterson. 1998. Does variable rate seeding of corn pay?. Agron. J. 90:830-836.

Ritchie, K.B., R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, and J.J. Warren. 1997. Starters perform more consistently than seed-placed fertilizers. Fluid Journal 4:18-21.

Nafziger, E.D. 1996. Effects of missing and two-plant hills on corn grain yield. J. Prod. Agr. 9:238-240.

Non-refereed:

Hoeft, R.G., E.D. Nafziger, R.L. Mulvaney, L.C. Gonzini, and J.J. Warren. 1998. Effect of time and rate of N application on N use efficiency and surface water contamination. North Central Extension-Industry Soil Fertility Conference. Proc. 14:37-47. St. Louis, MO.

P.D. Harrington, E.D. Nafziger, K.S. Polo, and R.G. Hoeft. 1998. On-farm evaluation of variable-rate nitrogen fertilizer responses using farmer-owned equipment. pp. 17-22, 1998 Illinois Fertilizer Conference Proceedings, January 26-28, 1998.

Hoeft, R.G., E.D. Nafziger, R.L. Mulvaney, L.C. Gonzini, and J.J. Warren. 1998. Identifying and reducing sources of nitrates in Illinois waters. pp. 23-32, ibid.

Nafziger, E.D. 1998. Assessing post-maturity stalk nitrate in different corn hybrids. pp. 41-44. Ibid.

Ritchie, K.B, R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, and J.J. Warren. 1998. Starter fertilizers for reduced-till corn. pp. 105-116, Ibid.

Ritchie, K.B, R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, and J.J. Warren. 1997. Starter fertilizers for minimum-till corn. pp. 15-26, 1997 Illinois Fertilizer Conference Proceedings, January 27-29, 1997.

Ritchie, K.B., R.G. Hoeft, and E.D. Nafziger. 1997. No-till starter fertilizer - side by side comparisons in large on-farm experiments. pp. 27-32, ibid.

P.D. Harrington, E.D. Nafziger, and R.G. Hoeft. 1997. On-farm evaluation of variable-rate nitrogen fertilizer responses using farmer-owned equipment. pp. 57-64, ibid.

Hoeft, R.G., E.D. Nafziger, R.L. Mulvaney, L.C. Gonzini, J.J. Warren, K.B. Ritchie, and W.B. Stevens. 1997. Identifying and reducing sources of nitrates in Illinois waters. pp. 79-86, ibid.

Nafziger, E.D. 1997. Assessing post-maturity stalk nitrate in different corn hybrids. pp. 115-117. Ibid.

Ritchie, K.B, R.G. Hoeft, E.D. Nafziger, L.C. Gonzini, J.J. Warren, and W.L. Banwart, . 1996. N management and starter fertilizers for 0-till corn. pp. 55-65, 1996 Illinois Fertilizer Conference Proceedings, January 29-31, 1996.

Nafziger, E.D. and R.G. Hoeft. 1996. On-farm evaluation of variable-rate nitrogen fertilizer responses using farmer-owned equipment. pp. 87-90, 1996 Illinois Fertilizer Conference Proceedings, January 29-31, 1996.